42244444020043 has 4 divisors (see below), whose sum is σ = 42246943560288. Its totient is φ = 42241944479800.

The previous prime is 42244444020019. The next prime is 42244444020133. The reversal of 42244444020043 is 34002044444224.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42244444020043 - 2²⁹ = 42243907149131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42244444019984 and 42244444020011.

It is not an unprimeable number, because it can be changed into a prime (42244444020643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1249744771 + ... + 1249778572.

It is an arithmetic number, because the mean of its divisors is an integer number (10561735890072).

Almost surely, 2^{42244444020043} is an apocalyptic number.

42244444020043 is a deficient number, since it is larger than the sum of its proper divisors (2499540245).

42244444020043 is a wasteful number, since it uses less digits than its factorization.

42244444020043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2499540244.

The product of its (nonzero) digits is 393216, while the sum is 37.

Adding to 42244444020043 its reverse (34002044444224), we get a palindrome (76246488464267).

The spelling of 42244444020043 in words is "forty-two trillion, two hundred forty-four billion, four hundred forty-four million, twenty thousand, forty-three".